CN105135811A - Refrigerator and lighting device for refrigerator - Google Patents
Refrigerator and lighting device for refrigerator Download PDFInfo
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- CN105135811A CN105135811A CN201510408694.7A CN201510408694A CN105135811A CN 105135811 A CN105135811 A CN 105135811A CN 201510408694 A CN201510408694 A CN 201510408694A CN 105135811 A CN105135811 A CN 105135811A
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- 238000001514 detection method Methods 0.000 claims description 33
- 238000005286 illumination Methods 0.000 claims description 19
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Circuit Arrangement For Electric Light Sources In General (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention discloses a refrigerator and a lighting device for the refrigerator. The lighting device for the refrigerator comprises a lighting lamp arranged in the refrigerator and a gate controlled switch for controlling on or off of the lighting lamp; the lighting device for the refrigerator further comprises a luminance detecting module and a control module, and one driving end of the control module is connected with the lighting lamp; the gate controlled switch is connected with one trigger end of the control module; and the luminance detecting module is connected with one input end of the control module. The luminance detecting module is used for detecting the luminance of the internal environment of the refrigerator and outputting a luminance signal; and the control module is used for receiving the luminance signal output by the luminance detecting module and outputting corresponding dimming signals according to the luminance signal so as to control the luminance of the lighting lamp. According to the refrigerator and the lighting device, while the internal lighting requirement of the refrigerator is achieved, the energy-saving effect can be achieved, and the service life of the lighting lamp can be prolonged.
Description
Technical Field
The invention relates to the field of refrigerators, in particular to a refrigerator and a lighting device thereof.
Background
The existing refrigerator lighting device is composed of a bulb and a door control switch which are arranged in a refrigerating chamber or a freezing chamber. When the door body of the refrigerating chamber is opened, the door control switch is closed, and the bulb is turned on to illuminate the refrigerating chamber or the freezing chamber. However, regardless of whether the current ambient light is sufficient, the bulb is turned on as long as the door body of the refrigerating chamber is opened, so that the door body is opened when the ambient light is sufficient in the daytime or at night, high-intensity illumination of the bulb is not needed, electric energy is wasted, and the service life of the illuminating lamp is shortened.
Disclosure of Invention
The invention mainly aims to provide a refrigerator lighting device, aiming at saving electric energy.
In order to achieve the purpose, the invention provides a refrigerator lighting device, which comprises a lighting lamp arranged in a refrigerator, a gate control switch for controlling the lighting lamp to be turned on or off, a brightness detection module and a control module, wherein one driving end of the control module is connected with the lighting lamp; the gating switch is connected with a trigger end of the control module; the brightness detection module is connected with one input end of the control module; the brightness detection module is used for detecting the brightness of the internal environment of the refrigerator and outputting a brightness signal; the control module is used for receiving the brightness signal output by the brightness detection module and outputting a corresponding dimming signal according to the brightness signal so as to control the brightness of the illuminating lamp.
Preferably, the control module is configured to correspondingly adjust a duty ratio of an output signal according to the brightness signal, so as to control the brightness of the illumination lamp.
Preferably, the control module outputs a signal with a duty ratio of 50% when the gate control switch controls the illumination of the illumination lamp.
Preferably, the luminance signal is a voltage signal; the control module is used for acquiring a first voltage value corresponding to the voltage signal, comparing the first voltage value with a preset voltage value, and adjusting the duty ratio of the current output signal to zero when the first voltage value is greater than the preset voltage value.
Preferably, the control module is a PWM controller or a single chip microcomputer.
Preferably, the refrigerator lighting device further comprises an analog-to-digital converter, an input end of the analog-to-digital converter is connected with an output end of the brightness detection module, and an output end of the analog-to-digital converter is connected with an input end of the control module.
Preferably, the refrigerator lighting device further comprises a signal amplification circuit, an input end of the signal amplification circuit is connected with an output end of the controller, and an output end of the signal amplification circuit is connected with the lighting lamp.
Preferably, the brightness detection module is a photosensitive sensor.
The invention also provides a refrigerator, which comprises a refrigerator body, a door body and the refrigerator lighting device, wherein the refrigerator lighting device comprises a lighting lamp arranged in the refrigerator and a door control switch for controlling the lighting lamp to be turned on or off, the refrigerator lighting device also comprises a brightness detection module and a control module, and one driving end of the control module is connected with the lighting lamp; the gating switch is connected with a trigger end of the control module; the brightness detection module is connected with one input end of the control module; the brightness detection module is used for detecting the brightness of the internal environment of the refrigerator and outputting a brightness signal; the control module is used for receiving the brightness signal output by the brightness detection module and outputting a corresponding dimming signal according to the brightness signal so as to control the brightness of the illuminating lamp; the door body is arranged on the box body; the lighting lamp and the brightness detection module of the refrigerator lighting device are respectively arranged in the storage cavity.
The invention sets a brightness detection module and a control module, wherein the brightness detection module is used for detecting the brightness of the internal environment of the refrigerator and outputting a brightness signal; the control module is used for receiving the brightness signal output by the brightness detection module and outputting a corresponding dimming signal according to the brightness signal so as to control the brightness of the illuminating lamp; so, when the light that natural light or other lighting means provided can illuminate the refrigerator inside, control module control light weakens the luminance, makes the electric quantity of light consumption reduce to realize energy-conserving effect.
Drawings
FIG. 1 is a functional block diagram of an embodiment of a lighting device for a refrigerator according to the present invention;
FIG. 2 is a functional block diagram of another embodiment of the lighting apparatus for a refrigerator according to the present invention;
FIG. 3 is a schematic view of a refrigerator lighting device according to the present invention applied to a refrigerator;
fig. 4 is a schematic view of an internal structure of the refrigerator shown in fig. 3.
The reference numbers illustrate:
| reference numerals | Name (R) |
| 100 | Lighting lamp |
| 200 | Door control switch |
| 300 | Brightness detection module |
| 400 | Control module |
| 500 | Switching module |
| 500 | Digital-to-analog converter |
| 600 | Signal amplifying circuit |
| 700 | Box body |
| 800 | Door body |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a refrigerator lighting device.
Referring to fig. 1, in an embodiment of the present invention, the lighting apparatus for a refrigerator includes a lighting lamp 100, a door control switch 200, a brightness detection module 300 and a control module 400, wherein a driving end of the control module 400 is connected to the lighting lamp 100; the gate control switch 200 is connected to a trigger end of the control module 400; the brightness detection module 300 is connected to an input end of the control module 400; wherein, the illuminating lamp 100 is arranged inside the refrigerator and used for providing illumination for the inside of the refrigerator; the door control switch 200 is used for controlling the illumination of the illuminating lamp 100 through the control module 400 when the refrigerator door body is opened; when the refrigerator door is closed, the control module 400 controls the illuminating lamp 100 to control the illuminating lamp 100 to be turned off; the brightness detection module 300 is configured to detect brightness of an internal environment of the refrigerator and output a brightness signal; the control module 400 is configured to receive the brightness signal output by the brightness detection module 300, and output a corresponding dimming signal according to the brightness signal, so as to control the brightness of the illumination lamp 100. Thus, when the natural light or the light provided by other lighting tools can illuminate the inside of the refrigerator, the control module 300 controls the lighting lamp 100 to weaken the brightness of the lighting lamp 100, so that the power consumed by the lighting lamp 100 is reduced, thereby realizing the energy-saving effect.
In this embodiment, the illumination lamp 100 may be composed of one or more LED lamps, wherein when there is only one LED lamp, the duty ratio of the output signal is adjusted by the control module 400 according to the detected brightness signal, so as to control the brightness of the illumination lamp 100. When a plurality of LEDs are adopted, the brightness of the illuminating lamp can be controlled by controlling the lighting of different numbers of LED lamps besides the control mode of the duty ratio.
In this embodiment, the brightness detection module 300 may be any detection element capable of detecting the brightness of the ambient light inside the refrigerator, such as a photosensitive sensor, which can detect the brightness of the ambient light inside the refrigerator, convert the brightness into a corresponding voltage signal, and output the voltage signal to the control module 400.
The control module 400 can be implemented by a PWM controller or a single chip microcomputer, and outputs a dimming signal with a preset duty ratio through the PWM controller or the single chip microcomputer, wherein the preset duty ratio can be any value between 0% and 100%, and generally takes about 50%, so that the lighting lamp 100 can provide certain illumination brightness for the inside of the refrigerator at the moment of opening the door body. Then, when the control module 400 receives the voltage signal output by the brightness detection module 300, the condition of the ambient light inside the refrigerator is determined according to the voltage signal. Thus, when the ambient light inside the refrigerator is weak, the control module 400 increases the duty ratio of the output signal, so that the light emitted by the illuminating lamp 100 is enhanced, and the illumination requirement is met; when the ambient light inside the refrigerator is strong, the control module 400 reduces the duty ratio of the output signal, so that the light emitted by the illumination lamp 100 is weakened, and the electric energy is saved. So, when the light that natural light or other lighting means provided can illuminate the refrigerator inside, just need not light 100 and supply light with the maximum load work, at this moment, according to the luminance of the inside ambient light of refrigerator, the corresponding duty cycle that will control the signal of light 100 luminance is transferred for a short time, makes the power that light 100 consumed reduce, and then makes the electric quantity that light 100 consumed reduce, realizes energy-conserving effect from this.
Based on the foregoing embodiment, in a further embodiment, the control module 400 is configured to obtain a first voltage value of the voltage signal output by the brightness detection module 300, compare the first voltage value with a preset voltage value, and adjust the duty ratio of the current output signal to zero when the first voltage value is greater than the preset voltage value. In this embodiment, the comparison between the first voltage value and the preset voltage value is realized by the internal comparator of the control module 400, so that the lighting lamp 100 can be directly turned off when the light inside the refrigerator is determined to be sufficient, thereby saving electric energy to a greater extent. The control module 400 includes a comparator (not shown) and a control chip (not shown), wherein a first input end of the comparator inputs a reference voltage signal, the reference voltage signal corresponds to the preset voltage value, and a second input end of the comparator is connected to the output end of the brightness detection module 300, so as to input the brightness signal output by the brightness detection module 300, and the brightness signal is a voltage signal; the control chip is connected with the illuminating lamp 100; the comparator compares the first voltage value with a preset voltage value, and outputs a comparison result to the control chip after comparison; and when the first voltage value is larger than the preset voltage value, the control chip adjusts the duty ratio of the current output signal to zero.
Further, referring to fig. 2, the lighting apparatus of the refrigerator further includes an analog-to-digital converter 500, an input end of the analog-to-digital converter 500 is connected to an output end of the brightness detection module 300, and an output end of the analog-to-digital converter 500 is connected to an input end of the control module 400. The digital-to-analog converter is configured to convert the luminance signal detected by the luminance detecting module 300 into a corresponding digital voltage signal, so that the control module 400 performs corresponding processing.
Further, referring to fig. 2, the lighting device of the refrigerator further includes a signal amplification circuit 600, an input terminal of the signal amplification circuit 600 is connected to an output terminal of the controller, and an output terminal of the signal amplification circuit 600 is connected to the illumination lamp 100. The signal amplifying circuit 600 is configured to amplify the driving signal output by the control module 400 to drive the lighting lamp 100 to generate electric power; the signal amplifying circuit 600 can be implemented by an amplifying chip or an amplifying circuit composed of a triode.
In addition, the invention further provides a refrigerator, in an embodiment, referring to fig. 1 to 4, the refrigerator includes a refrigerator body 700, a door body 800 and the refrigerator lighting device, wherein the door body 800 is arranged on the refrigerator body 700; the illumination lamp 100 and the brightness detection module 300 of the refrigerator illumination device are respectively disposed in the cabinet 700.
It can be understood that, because the refrigerator lighting device is used in the refrigerator, the embodiment of the refrigerator includes all technical solutions of all embodiments of the refrigerator lighting device, and the achieved technical effects are completely the same, and are not described again here.
It should be noted that the technical solutions of the embodiments of the present invention can be combined with each other, but must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory or can not be realized, the combination of the technical solutions should be considered to be absent and not to be within the protection scope of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (9)
1. A refrigerator lighting device comprises a lighting lamp arranged in a refrigerator and a door control switch for controlling the lighting lamp to be turned on or off, and is characterized by further comprising a brightness detection module and a control module, wherein a driving end of the control module is connected with the lighting lamp; the gating switch is connected with a trigger end of the control module; the brightness detection module is connected with one input end of the control module; wherein,
the brightness detection module is used for detecting the brightness of the internal environment of the refrigerator and outputting a brightness signal;
the control module is used for receiving the brightness signal output by the brightness detection module and outputting a corresponding dimming signal according to the brightness signal so as to control the brightness of the illuminating lamp.
2. The lighting device of claim 1, wherein the control module is configured to adjust a duty ratio of an output signal according to the brightness signal to control the brightness of the illumination lamp.
3. The lighting device of claim 2, wherein the control module outputs a signal with a duty ratio of 50% when the gate control switch controls the illumination of the illumination lamp.
4. The lighting device for a refrigerator according to claim 2, wherein the luminance signal is a voltage signal; the control module is used for acquiring a first voltage value corresponding to the voltage signal, comparing the first voltage value with a preset voltage value, and adjusting the duty ratio of the current output signal to zero when the first voltage value is greater than the preset voltage value.
5. The refrigerator lighting device according to any one of claims 1 to 4, wherein the control module is a PWM controller or a single chip microcomputer.
6. The refrigerator lighting device according to claim 5, further comprising an analog-to-digital converter, an input terminal of the analog-to-digital converter being connected to the output terminal of the brightness detection module, an output terminal of the analog-to-digital converter being connected to the input terminal of the control module.
7. The refrigerator lighting device according to claim 6, further comprising a signal amplification circuit, an input terminal of the signal amplification circuit being connected to an output terminal of the controller, an output terminal of the signal amplification circuit being connected to the illumination lamp.
8. The lighting device for a refrigerator according to claim 1, wherein the brightness detecting module is a photosensor.
9. A refrigerator is characterized by comprising a refrigerator body, a door body and the refrigerator lighting device according to any one of claims 1 to 8, wherein the door body is arranged on the refrigerator body, and a lighting lamp and a brightness detection module of the refrigerator lighting device are respectively arranged in the storage cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408694.7A CN105135811A (en) | 2015-07-10 | 2015-07-10 | Refrigerator and lighting device for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408694.7A CN105135811A (en) | 2015-07-10 | 2015-07-10 | Refrigerator and lighting device for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105135811A true CN105135811A (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510408694.7A Pending CN105135811A (en) | 2015-07-10 | 2015-07-10 | Refrigerator and lighting device for refrigerator |
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| Country | Link |
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| CN (1) | CN105135811A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642981A (en) * | 2017-01-25 | 2017-05-10 | 北京通远科技有限公司 | Refrigerator stored article management system based on image recognition |
| WO2019119838A1 (en) * | 2017-12-22 | 2019-06-27 | 佛山市顺德区美的电热电器制造有限公司 | Storage quantity detection method and device, cooking apparatus, and computer readable storage medium |
| CN111181642A (en) * | 2020-02-17 | 2020-05-19 | 海信（山东）冰箱有限公司 | Refrigerator and optical signal transmission system thereof |
| CN112813643A (en) * | 2021-01-14 | 2021-05-18 | 珠海格力电器股份有限公司 | Control method and device of washing machine, storage medium and processor |
| CN113340046A (en) * | 2021-05-14 | 2021-09-03 | 澳柯玛股份有限公司 | Automatic brightness adjusting system and method for refrigerator illuminating lamp |
| CN114087839A (en) * | 2021-11-15 | 2022-02-25 | 珠海格力电器股份有限公司 | Illumination control method, illumination control device, electronic equipment and storage medium |
| CN114777403A (en) * | 2022-05-12 | 2022-07-22 | 合肥美菱物联科技有限公司 | Remote control system and method for refrigerator illumination |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106642981A (en) * | 2017-01-25 | 2017-05-10 | 北京通远科技有限公司 | Refrigerator stored article management system based on image recognition |
| WO2019119838A1 (en) * | 2017-12-22 | 2019-06-27 | 佛山市顺德区美的电热电器制造有限公司 | Storage quantity detection method and device, cooking apparatus, and computer readable storage medium |
| CN111181642A (en) * | 2020-02-17 | 2020-05-19 | 海信（山东）冰箱有限公司 | Refrigerator and optical signal transmission system thereof |
| CN112813643A (en) * | 2021-01-14 | 2021-05-18 | 珠海格力电器股份有限公司 | Control method and device of washing machine, storage medium and processor |
| CN112813643B (en) * | 2021-01-14 | 2022-03-15 | 珠海格力电器股份有限公司 | Control method and device of washing machine, storage medium and processor |
| CN113340046A (en) * | 2021-05-14 | 2021-09-03 | 澳柯玛股份有限公司 | Automatic brightness adjusting system and method for refrigerator illuminating lamp |
| CN114087839A (en) * | 2021-11-15 | 2022-02-25 | 珠海格力电器股份有限公司 | Illumination control method, illumination control device, electronic equipment and storage medium |
| CN114777403A (en) * | 2022-05-12 | 2022-07-22 | 合肥美菱物联科技有限公司 | Remote control system and method for refrigerator illumination |
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Application publication date: 20151209 |
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